# US 10,246,575 B2 · Metal-plastic hybrid component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,246,575 B2 - Document ID: US10246575B2 - Status: Granted - Kind: B2 - Application number: 15/300,981 - Filed: 2015-03-31 - Published: 2017-05-04 - Granted: 2019-04-02 - Earliest claimed: 2014-03-31 - Assignees: Evonik Degussa GmbH - Applicants: Evonik Degussa GmbH - Inventors: Karl Kuhmann; Maximilian Gruhn; Olivier Farges; Martin Risthaus; Kathrin Lehmann - Web page: https://patentgrep.com/patent/US10246575B2 ## CPC - C08K 5/5419: containing at least one Si—C bond - C08K 3/08: Metals - C08K 5/54: Silicon-containing compounds {(C08K5/0091 takes precedence)} - C08K 7/06: Elements - C08K 7/14: Glass - C08L 71/00: Compositions of polyethers obtained by reactions forming an ether link in the main chain (of polyacetals C08L59/00; of epoxy resins C08L63/00; of polythioether-ethers C08L81/02; of polyether-sulfones C08L81/06); Compositions of derivatives of such polymers - C08L 71/08: Polyethers derived from hydroxy compounds or from their metallic derivatives (C08L71/02 takes precedence) - C08L 77/02: Polyamides derived from omega-amino carboxylic acids or from lactams thereof (C08L77/10 takes precedence) - C08L 77/06: Polyamides derived from polyamines and polycarboxylic acids (C08L77/10 takes precedence) - C08G 2650/40: containing ketone groups, e.g. polyarylethylketones, PEEK or PEK - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ## Abstract The invention relates to a polymer composition, and to a semifinished plastics product, the surface of which has been formed at least to some extent from the polymer composition. The invention further relates to a production process associated therewith for the semifinished plastics product. A feature of the polymer composition is that it comprises from 50 to 99.7% by weight of a polymer and from 0.3 to 20% by weight of one or more adhesion-promoting additives. The invention further relates to plastics-metal hybrid components and production of these. ## Claims ### Claim 1 A polymer composition, comprising: a) from 50 to 99.7% by weight of at least one polymer having a molecular weight of 15,000 to 70,000 selected from the group consisting of polyamides, polyaryl ether ketones, and mixtures thereof, and b) from 0.3 to 20% by weight of one or more additives of the formula (I): MaM′bDcD′d (I) wherein M=[R3SiO1/2] M′=[R′R2SiO1/2] D=[R2SiO2/2], D′=[R′RSiO2/2] wherein each R is independently selected from the group consisting of H, alkyl moieties having from 1 to 12 C atoms and a phenyl moiety, and each R′ is independently a moiety having a structure of formula (II), formula (III) or formula (IV), wherein formula (II) is an alkylamino moiety wherein x=from 1 to 20 and R″ is selected from the group consisting of H and an alkyl moiety having from 1 to 12 C atoms, formula (III) is a (trialkoxysilyl)methylene moiety wherein R′″ is an alkyl moiety having from 1 to 4 C atoms, and formula (IV) is an epoxycyclohexylalkyl moiety wherein y=from 1 to 4, wherein the indices are a=from 0 to 2 b=from 0 to 2 c=from 10 to 500 d=from 0 to 50 a+b=2 and b+d≥2, and wherein the proportions of all constituents of the composition give a total of 100% by weight. ### Claim 2 (depends on 1) The polymer composition according to claim 1, wherein each R is independently methyl or phenyl. ### Claim 3 (depends on 1) The polymer composition according to claim 1, wherein the ratio of the sum of the indices a+c to the sum of the indices b+d, (a+c)/(b+d), is from 2 to 50. ### Claim 4 (depends on 1) The polymer composition according to claim 1, wherein the index c is from 15 to 100. ### Claim 5 (depends on 1) The polymer composition according to claim 1, wherein (i) b=2, and the index d is from 0 to 20 or (ii) b=0, and the index d is from 2 to 20. ### Claim 6 (depends on 1) The polymer composition according to claim 1, wherein the polymer composition comprises from 0.5 to 10% by weight of the additive of the formula (I). ### Claim 7 (depends on 1) The polymer composition according to claim 1, wherein the polyamide is present and is selected from the group consisting of homopolyamides of an aminocarboxylic acid, homopolyamides of a diamine-dicarboxylic acid, copolyamides and mixtures thereof. ### Claim 8 (depends on 7) The polymer composition according to claim 7, wherein the polyamide is selected from the group consisting of nylon-6, nylon-6,6, nylon-6,10, nylon-6,12, nylon-10,10, nylon-12 and mixtures thereof. ### Claim 9 (depends on 1) A hybrid component, comprising: a metal, and the polymer composition according to claim 1. ### Claim 10 (depends on 9) The hybrid component according to claim 9, further comprising: at least one additional adhesion promoter polymer composition layer located between the metal and the polymer composition. ### Claim 11 (depends on 1) A foil, comprising: the polymer composition according to claim 1, wherein the average thickness of the foil is from 10 μm to 600 μm. ### Claim 12 (depends on 11) The foil according to claim 11, further comprising: at least one increased concentration zone wherein the increased concentration zone comprises at least one region at a surface of the foil which has an increased concentration of the additive of the formula (I) relative to the bulk concentration of the additive of the formula (I). ### Claim 13 (depends on 1) A semifinished plastics product, comprising: at least one polymer as a plastics material selected from the group consisting of polyamides, polyaryl ether ketones, and mixtures thereof, wherein at least one part of a surface of the plastics material comprises a coating, the coating comprising at least one polymer composition according to claim 1. ### Claim 14 (depends on 1) A process for the production of a semifinished plastics product, the process comprising: applying at least one layer of the polymer composition according to claim 1 to a plastics material selected from the group consisting of polyamides, polyaryl ketones, and mixtures thereof thereby coating at least one part of a surface of the plastics material with a coating comprising at least one polymer composition according to claim 1. ### Claim 15 (depends on 13) A hybrid component, comprising: a metal, and the semifinished plastics product according to claim 13. ### Claim 16 (depends on 1) The polymer composition according to claim 1, wherein the index c is from 20 to 50. ### Claim 17 (depends on 1) The polymer composition according to claim 1, wherein (i) b=2, and the index d is from 1 to 10, or (ii) b=0, and the index d is from 2 to 20. ### Claim 18 (depends on 1) The polymer composition according to claim 1, wherein (iii) b=2, and the index d is from 0 to 20, or (iv) b=0, and the index d is from 3 to 10. ### Claim 19 (depends on 1) The polymer composition according to claim 1, wherein (v) b=2, and the index d is from 1 to 10, or (vi) b=0, and the index d is from 3 to 10. ### Claim 20 (depends on 15) The hybrid component according to claim 15, which has an adhesion as measured in the tensile test 24 hours after production of 48-185 MPa. ### Claim 21 (depends on 1) The polymer composition according to claim 1, wherein said polymer is a polyamide. ### Claim 22 (depends on 21) The polymer composition according to claim 21, wherein said polyamide is a copolyamide.